Legend:
Air Quality Index Value
EU Standards are
exceeded by one
pollutant or more
  > 1
EU Standards are
fulfilled on average
  1
The situation is better
than the norms requirements on average
  < 1
Saint-Etienne Yearly Air Quality Index

Year NO2 Year average PM10 year average PM10 exceedences daily average O3, # of days with 8-hour average >=120µg/m3 SO2 year average Benzene year average City Index
2006 1.3 0.83 0.97 - - - 1.03
2007 1.2 0.98 2.37 - - - 1.52
2008 1.18 0.78 1.09 - - 0.2 1.01
2009 1.2 0.68 0.57 - - 0 0.82
2010 1.2 0.7 0.74 - - 0.2 0.88
2011 1.23 0.73 1.14 - - - 1.03
2012 1.15 0.65 0.6 - - - 0.8
2013 1.08 0.65 0.91 - - - 0.88
2014 1.08 0.53 0.29 - - - 0.63
2015 1.05 0.58 0.31 - - - 0.65

Saint-Etienne Roadside Annual index chart



Year NO2 Year average PM10 year average PM10 exceedences daily average O3, # of days with 8-hour average >=120µg/m3 SO2 year average Benzene year average City Index
2006 0.88 0.7 0.86 1.6 0.2 - 1.01
2007 0.83 0.6 0.63 1.04 0.15 - 0.77
2008 0.88 0.7 0.51 0.56 0.1 0 0.66
2009 0.83 0.75 0.8 1.12 0.1 0.2 0.87
2010 0.85 0.68 0.6 1.52 0.1 0 0.91
2011 0.85 0.68 0.77 1.52 0.05 0.2 0.95
2012 0.75 0.58 0.6 0.64 0.05 0 0.64
2013 0.73 0.55 0.49 1.08 0.05 0 0.71
2014 0.73 0.5 0.31 0.68 0.05 0 0.55
2015 0.75 0.55 0.11 1.64 0.05 0 0.76

Saint-Etienne Background Annual index chart

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